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Rollo

#8,776 in 2025Boys' name

Form of Roul

Rollo has been given to 949 babies in the U.S. since 1881. In 2025 it ranked #8,776 of 13,926 boys’ names in use. Its peak year was 1918, with 38 recorded.

Babies named Rollo, 2025

1 in 368,000

Rollo over time, 1880–2025

Boys
01020304018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Rollo: meaning, origin, and history

Form of Roul

Germanic languages

What Rollo means

Rollo is a form of Roul.

Dictionary etymologyReferences, data & attribution

Latinization of the Old French equivalent of the English Rolf.

Excerpt from Wiktionary: Rollo (English) · CC BY-SA 4.0

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Rollo is used in English. Its origins include Germanic languages.

Related names and everyday forms

Related names include Roul.

American usage and historical context

In the United States, 949 boys were recorded with the name Rollo between 1881 and 2025. Its highest annual count was 38 in 1918; its best national rank was #768 in 1881.

Over 5 years its rank fell, from #8,588 in 2020 to #8,776 in 2025. Over 10 years its rank fell, from #7,919 in 2015 to #8,776 in 2025.

How common is Rollo?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 368,000
9 of 3,315,165 births
Among boys only
1 in 190,000
<0.01% of boys
Rank, 2025
#8,776
of 13,926 boys’ names in use
Coin-flip room size
255,323 kids
Even odds of a second one

Where Rollo sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 255,323 children born in 2025 and it's an even bet that one of them is another Rollo. In a class of 30 the chance is Under 1%.

When Rollos were born

Half of everyone ever recorded as Rollo was born before 1927 — so the typical Rollo is around 98 today.

Median birth year
1927
About 98 years old
Biggest decade
1920s
23.4% of all use
Born in the last 25 years
10.7%
Spread across generations
Recorded since 1950
193
People you could plausibly meet
Choose a decade

1920s — 23.4% of all recorded uses (222).

Is Rollo rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−1,127
Places dropped
Rank vs 5 years ago
−188
Places dropped
Rank vs 10 years ago
−857
Places dropped
Births vs 10 years ago
0.90×
Fewer babies than then
Share of its own peak
23.7%
Peak was 1918 (38)
Years since peak
107
Years
Year-to-year steadiness
Volatile
26.5% average annual change
Best rank ever
#768
1881

Spellings of Rollo

Rollo is not the most common spelling — Rocco is, with 31.8% against Rollo's 0.95%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Rollo is used

Across 1910–2025, Rollo was most concentrated in Iowa — about 1 in — boys, against 1 in 1,024,068 across all states with data. It was least common in Michigan (1 in —).

00 per 100,000

Most concentrated

  1. 1Iowa1 in —
  2. 2Illinois1 in —
  3. 3Michigan1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Rollo has too little recent state data to map, so this covers all years from 1910.

Rollo around the world

Where Rollo ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1998–2025
    #1,406
    in 2025
  • South Australia
    1949–1986
    #460
    in 1986

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Rollo by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#8,776
Trend vs 5 yrs ago
Down 188
Best rank ever
#768
1881
Peak year
1918
38 that year
First recorded
1881
Last recorded
2025
All-time count
949
Count in 2025
9

Names similar to Rollo

Matched on shared beginnings and endings, similar length, and comparable popularity.

RolanRollyRolinRolenRollaRolfeRolfRollieDialloRollinsNelloRollinCamilloRollenOthelloRoldanAngelloRollanRomelloMelloKarmelloRollandApolloCarmello

Sibling names for Rollo

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Rollo

Top names of 1918, Rollo's peak yearThe 1910s in fullOther names that peaked in 1881Boys' names starting with RViking Boy Names